An interesting little tid-bit: I've read that Feynman was sitting in a truck at Trinity, and I think he was alone. Feynman calculated that the truck's windscree

An interesting little tid-bit: I've read that Feynman was sitting in a truck at Trinity, and I think he was alone. Feynman calculated that the truck's windscreen would absorb enough of the bomb's UV emissions to obviate the need for additional eye protection. The same source (which I cannot currently locate) said that everyone else was wearing welding masks/goggles.